20
3.2 Performance Specifications
The following table shows the performance specifications of the A/D converter module.
*1 For details on the I/O conversion characteristics, refer to the following.
I/O conversion characteristic of A/D conversion ( Page 203, Appendix 3)
*2 Maximum resolution in the user range setting.
Item
Model
L60AD4
Number of analog input points 4 points (4 channels)
Analog input
Voltage -10 to 10 VDC (input resistance 1M Ω)
Current 0 to 20mADC (input resistance 250 Ω)
Digital output -20480 to 20479
When using the
scaling function
-32768 to 32767
I/O characteristics, resolution
*1
Analog input range Digital output value Resolution
Voltage
0 to 10V
0 to 20000
500µV
0 to 5V 250µV
1 to 5V 200µV
-10 to 10V -20000 to 20000 500µV
1 to 5V
(Extended mode)
-5000 to 22500 200µV
User range setting -20000 to 20000
307µV
*2
Current
0 to 20mA
0 to 20000
1000nA
4 to 20mA 800nA
4 to 20mA
(Extended mode)
-5000 to 22500 800nA
User range setting -20000 to 20000
1230nA
*2
Accuracy
(accuracy for the
maximum value of
the digital output
value)
*3
Ambient
temperature
25±5°C
Within ±0.1% (±20digit)
Ambient
temperature
0 to 55°C
Within ±0.2% (±40digit)
Conversion speed
*4*5*6
High-speed: 20µs/channel
Medium speed: 80µs/channel
Low speed: 1ms/channel
Absolute maximum input
Voltage: ±15V, Current: 30mA
*7
Offset/gain setting count
*8
Up to 50000 counts
Isolation method
Between I/O terminals and programmable controller power supply: photocoupler isolation
Between input channels: no isolation
Dielectric withstand voltage Between I/O terminals and programmable controller power supply: 500VACrms for 1 minute
Insulation resistance Between I/O terminals and programmable controller power supply: 500VDC 10MΩ or higher
Number of occupied I/O points 16 points (I/O assignment: Intelligent 16 points)
Connected terminal 18-point terminal block
Applicable wire size
0.3 to 0.75mm
2
Applicable solderless terminal R1.25-3 (solderless terminals with sleeve are not usable)
Internal current consumption (5VDC) 0.52A
Weight 0.19kg